I never saw a point in it. Honestly,I think beyond prolonging your cook because you keep opening the pit, I think the extra moisture probably cools the meat and prolongs the stall.
YOU WANNA THROWDOWN?
You should! Fun and fabulous prizes await you!*
I have a bunch of stuff that cooks meat outside using some form of combustion.
*Actual prizes may not be fabulous. It all depends on what your definition of fabulous is. You're not going to win a car or anything, so don't get your hopes up. Just trying to give you realistic expectations.